The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 14, 2020
Filed:
Feb. 28, 2018
Applicants:
Kabushiki Kaisha Toshiba, Minato-ku, Tokyo, JP;
Toshiba Electronic Devices & Storage Corporation, Minato-ku, Tokyo, JP;
Inventor:
Kenichiro Aoki, Machida Tokyo, JP;
Assignees:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Electronic Devices & Storage Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 33/02 (2006.01); G11B 33/14 (2006.01);
U.S. Cl.
CPC ...
G11B 33/027 (2013.01); G11B 33/1486 (2013.01);
Abstract
According to one embodiment, a magnetic disk device includes a rotatable disk-shaped recording medium, a head which processes data on the recording medium and a housing including a base accommodating the recording medium and the head and a cover including a welded portion laser-welded to the base. The welded portion includes a first welded portion welded by a first weld width and a second welded portion welded by a second weld width greater than the first weld width.